# IStreamQueueBalancer.UnSubscribeFromQueueDistributionChangeEvents(IStreamQueueBalanceListener)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.istreamqueuebalancer/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.istreamqueuebalancer/methods/)

```csharp
public abstract bool UnSubscribeFromQueueDistributionChangeEvents(IStreamQueueBalanceListener observer)
```

Unsubscribes from receiving queue distribution notifications.

### Parameters

- `observer` (`IStreamQueueBalanceListener`): An observer interface to receive queue distribution change notifications.

### Returns

A value indicating whether teh unsubscription succeeded or not